Inventor

Qianli LI

Inventor

Overview

2→

Patents

2022–2023

Patent span

Chemistry

Primary field (CPC C)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Bprimary

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments33%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture33%

C12YEnzymes33%

PatentTitleYear

11,549,128Pretreatment method for producing lycopene raw material2023 11,499,052Method for preparing lycopene crystals with high purity and low harm2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to CHENGUANG BIOTECH GROUP CO LTD (2)· patent assignee history

2022–2023Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHENGUANG BIOTECH GROUP CO LTD	2	2022–2023

Locations

Location	Patents	Span
CN	2	2022–2023